Построение Системы Теплообмена При Реконструкции И Синтезе Оптимальных Систем Ректификационных Колонн

Зиятдинов, Н. Н.; Ostrovskii, G. M.; Емельянов, И. И.

doi:10.7868/s0040357116020147

Теор. основы хим. технол.

2016

DOI: 10.7868/s0040357116020147

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Построение Системы Теплообмена При Реконструкции И Синтезе Оптимальных Систем Ректификационных Колонн

Н. Н. Зиятдинов¹,

G. M. Ostrovskii²,

И. И. Емельянов³

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2023

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Physical Feasibility and Synthesis of Heat Exchange Systems According to Thermodynamic Parameters

Tsirlin

2023

Teoretičeskie osnovy himičeskoj tehnologii

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The region of physical feasibility of heat exchange systems in the space of their thermodynamic indicators (heat load, dissipation, and thermal conductivity) is constructed in this work. Criteria of thermodynamic perfection for typical two-flow cells are calculated. A condition of thermodynamic equivalence of heat exchange systems is given, and an algorithm for constructing a multiflow system equivalent to a two-flow heat exchanger is proposed. The cases of variable heat capacity, change of the phase state, and different flow hydrodynamics are considered. The constraints on the temperatures of all or some of the flows at the inlet and outlet of the heat exchange system are taken into account. The synthesis involves the choice of the structure of contacts, the values of free parameters of flows, and the distribution of contact areas and heat loads between two-flow heat exchange cells.

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Physical Feasibility and Synthesis of Heat Exchange Systems According to Thermodynamic Parameters

Tsirlin

2023

Teoretičeskie osnovy himičeskoj tehnologii

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Methods of Optimization Thermodynamics in Distillation Processes

Tsirlin,

Balunov,

Sukin

et al. 2023

Teoretičeskie osnovy himičeskoj tehnologii

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The methodology of optimization thermodynamics was used for the mathematical description and optimization of distillation processes. The following problems were considered: construction of a set of feasible operating conditions of columns separating binary and multicomponent mixtures, selection of the sequence of separation of a multicomponent mixture, feasibility of using a separating agent, selection of the feed temperature and feed point, and optimization of parallel and sequential systems of distillation columns. Calculation formulas for entropy production and heat transfer coefficients in the reboiler and reflux condenser of the column were obtained.

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Построение Системы Теплообмена При Реконструкции И Синтезе Оптимальных Систем Ректификационных Колонн

Cited by 2 publications

References 0 publications

Physical Feasibility and Synthesis of Heat Exchange Systems According to Thermodynamic Parameters

Physical Feasibility and Synthesis of Heat Exchange Systems According to Thermodynamic Parameters

Methods of Optimization Thermodynamics in Distillation Processes

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